Automobile jack



Aug. 21',- 192s. 1,681,633

a l 1 E. BEouHl-:R

AUTOMOBILE JACK @ma may 1o, 1927 athena Patented Aug. 21,- 1928.

PATENT OFFICE.

LAWRENCE E. BEOUGHEIQOF LYNWOOD, CALIFORNIA.

AUTOMOBILE JACK.

Application filed-May 10, 1927; Serial No., 190,283.

u This` invention relates to an automobile 3aclr 1n the form of a framewhich may be' insert-ed under the body of the machine and operated fromone end thereof to raise eitherl or ,both endsrv of the automobile oliof the ground and at the same time to liftthe autof mobile above thebody of the jack.

The various features of the invention Will be apparent from thefollowing detailed description and the appended claims.V

In the dra-Wings:

' l Figure 1 is a side elevation of the `jack in lowered position. n*

Figure 2 is a bottom plan View of` the same. Figure 3 is.v aYlongitudinal seotionwith the jack in raised position.

liigure 4 is a transverse section on the line 4-4 of Figure 2.V p

Figure 5 is a transverse section on the line 5-5 of Figure 2.

Figurer 6 is a section Figure 2; V v

The jack herein disclosedA comprises a rectangular bodyv member havingsides 1,` end pieces 2, and an intermediate, cross'` bar 3, all of whichparts are preferably made of channel shaped metal.members. Mountedtransverselyin the framel are; tvvoA rods 4, 4 and Ushaped members 5,5have; their arms 6, 6 pivoted on said rods outside the frame members l.v Near the cross bar these on 'the line 6-6 of arms have mounted thereonWheels 7, 7.v

which are held in position by keepers. 8, 8.. Intermediate. the endsofthe U-shaped members or-fcross bars 5, 5l arey lugs 9 9 carryingthereon spindles: upon Whichfare. mounted pairs of pulleys 10, 10. l l

Similar Ushaped members 11'11 have their arms mounted to'turn on therods 4, 4, f but lie inside of the frame members 1 and ex tend in adirection opposite. to the sides 6, 6 of the other U-shaped members. Inthe` free ends of the arms 'of the U-shapedf1nembers 11, 11 are mountedspindles 12, l12 upon `which are mounted rollers 13, 13 each of whichhas a groove 14,` 14k vserving Vas a pulley. A guard member 15,115partially encloses these rollers. 'A

At'one vend of the frame is mounted a transverse shaft 16 which has itsbearings inthe side members 1 and intermediate its ends in an arm 17fextending inwardly from the end n'1ember12. Mounted on Vthis shaft 'aredrums' V18 and 19 and the outer end ofthe 'shaft is providedl with aratchet Wheel`20v Which may be engaged 'by an operating pawl 21 carriedby a lever 22 inounted on the end of the, shaft 16 to turn about theaxis thereof. A holding pawl 23v is alsoprovided' which may lbe thrownout of engagement Whenever desired.Y f I i i A`r cable 24 is attached atone end to the drum L19 and extends, around one ofy the pulleys 10Q,thence to and around one of the rollers 13 lying .in the groove 14, backto and around theother roller 10 andV again back to the. other roller13.Where it is provided With a loop 25 by means of which it` l in thevgroove 14. Itis obvious vthat if' the parts are in the position shown inFigure'l and the handle 22 is operated to turn the drum 1 9 andWindupwthek cable 24,/ the two U-shaped members will4 'be caused f to,approach each` other as indicated in Figure 3, the rollers 7 and 13yrunning onthe ground and this action will result in liftingL the frameof the jack and consequently the automobile off of the ground. Similarlya -Cable 26 runs from the drum 18 baoktothe other roller13, around this,tol and around the pulley 10, around the other roller 13, andV back tothe other pulley 10 to which it is attached by means of a loop 27. Alpull on `the cable`26 Willmove this portion Of the jack member from theposition shown in Figure l to that of Figure 3.

`A11/other toggle member is formed by means of a y U`shaped member 28and a second U-,shaped member 29`Which are pvoted together at 30 attheirfree ends. yThe U,sh.1.pedV .member 28 is carried by a shaft 31provided at itsrends withl rollers 32 which run` in the channels on theside frame mem bers 1. .Justl inside these rollers the shaft isprovided, With pulleys 33. The U-shaped member 29 isl provided with ashaft 34 which at. its ends. fits in blocks 35` ivhich slide in and areguided' by the channel members 1. Cables37' are attached at their ,endsto the armati` and extend to and around the pulleys 33 and-thence totheshaftV 34 to ,Which'they i kare fastened as indicated at y3S. It ob'-'vious that when the arms 6 are moved The upper ends of the arms of theU-sliaped i member 28. are provided `with notches. 36 which are adaptedto engage under the axle will not only be lifted olf of the ground bythe upward movement of the body ofthe jack but that the automobile willreceive a further upward movementr relative to' the body of the jack. Itis obvious that this toggle mechanism may be duplicated at the other endof the frame.

F or convenience of illustration, there has been shown analternativeconstruction which comprises a U-shaped member having a base39 and arms l0 provided with notched ends 41 and a. removable rod 42 isadapted to pass through said armsv and hold this device on the frame ofthe jack when so desired. ln the use of 'this'modilicatiom the U-shapedmember is removed from the jack which is operated to lift the automibilein the usual way. rlhe U-shaped member is then 4placed under the machinewith the notched ends 41 underlying the axle hous-` ing and the jack islowered until the sides thereof come Vin contactv with the basef39' ofthis U-shaped member. The rod'42 is then placed in the position lsliownlin the figures and the jack again operated, which will result in liftingthe automobile still higher from the ground and will provide a spacebetween the frame and the jack and the underside of the automobile.

Means is also preferably provided whereby either end of the jack may beyraised independently of the other or both ends may be operatedsimultaneously. To accomplish this result, the drums 1S and 19 are looseon the shaft 16 and each drum has a flange 48. These flanges areprovided with ratchet wheels il and 45 with which engage holding pawls46 and 17 respectively which may be throwninto and out of positionasdesired. Fast on the shaft 16 are hubs 4:8 and 49 which have flanges 50and 51 adjacent the flanges 43 of the drums. A suitable number ofopenings arel provided. in the flanges. of the drums and hubs and whenit is desired to clutch one of the drums tothe shaft 16,

a pin 52 is inserted in two registering openings of the desired drum andits associated hub. If only one drum is clutched to the shaft 16obviously a rotation of the shaft will lift one end only of the jackandthe corresponding end of the automobile.

The rollers 7 7", 13 and 13 not only permit easy movement of theparts'from the- Figure 1 to the Figure 3 position bu-t act as wheels bywhich the jack may be moved from place to place. The ratchet wheel 20is. or may be in the form of a cog wheel and the pawl 21 may be swung'toeither of two positions so that the jack may be 'lowf ered easily andsteadily as desired.

however, f

while illustrated in conneetionwith an automobile, is yobvious .that theJack may be' used to lift other objects, and the reference in the claimsto automobiles is not' ,which is to be regarded as limited only by thescope of the appendedclaims.

:I claim as my'invention: 1'

1. An automobile jack comprising a main frame mounted on -wheels andadapted 'to be positionedy underv ther automobile, and means foralternatively 'raising either end or both ends Vof said' frame and theautomobile by moving, said wheels toward each other, as desired.y n

2.?111 automobile,j'ack'comprising a main frame adapted to be positionedunder the automobile, means for raising the frame and automobile, andmeans forraising the auto-y mobile relative to theframe.

' 3.' An automobile jack comprisingafmain frame adapted to be positionedunder the` automobile,i i1eans for raising either or both ends of theframe and automobileas desired,

`and means Vfor raising the automobile relative to the frame. i

` 4'.' An automobile jack comprising a main frame adapted tobepositioned under the automobile, pairs of `members pivoted to theframe at diiferent'points lengthwise of the vsame and carrying wheelswhich engagethe ground, and means for moving either pair of said memberstoward each other and t0- ward the vertical to raise the frame andautomobile. Y

5. An automobile jack comprising a main frame adaptedto be positioned(under the automobile, a plurality of. pairs of members pivoted to theframe at ldifferent points lengthwise of the same and carryingwheelswhichengage the ground, and means for moving tliemembers of each pairtoward each other andl toward the vertical lto raise the frame and theautomobile.y

G. An automobile'jack comprising a main frame adapted to be positionedunder .the

automobile, means for. -raising the'frame and automobile, and. means forsimultaneously raising one end,` ofthe automobile relative to the framewhich comprises ymembers pivoted together andengaging the automobilenear their pivot points and means kfor moving said members toward thevertical to raise the automobile.

7. Anautomobile jack .comprising a main frame adapted to -bepositioned'y under the automobile, means for raising the frame andautomobile, and 'means for simultaneously raising one end of theautomobile relative to the frame which comprises two U-shaped membershaving their free ends pivoted to` getlier and engaging the automobileand lia'v-V causing the drums `to turn with the shaft as` ing their basemembers guided in said frame. desired, vand means wherebyV the turningof 8. An automobile jack comprising a main each drum Will operatecertain of the lifting 10 frame adapted to be positioned under themembers `independently of the others. 5 automobile, a plurality ofliftingk members, In testimony whereof, I have hereunto ka shaft, meansfor operating the same, drums Subscribed my name. i. i loosely mountedon said shaft, means fory y LAWRENCE E. BEOUGHER.

